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Congsin Modified Sine Wave Power Inverter with 4 USB Ports

Reliable Congsin modified sine wave inverter with 4 USB ports delivers flexible DC→AC power for cars, RVs, solar systems and outdoor use. Trusted safety certifications and 27+ years of manufacturing experience ensure dependable, compact, plug-and-play performance.
Product Information

Reliable Power Anywhere — Congsin Modified Sine Wave Inverter with 4 USB Ports

The Congsin modified sine wave power inverter with 4 USB ports converts 12V/24V DC to stable AC power and adds four handy USB outlets for charging phones, tablets, cameras and small electronics. Designed for everyday mobile use—vehicles, RVs, boats, field work and off-grid setups—this compact inverter balances practicality and affordability without sacrificing safety.

Key Benefits

  • Multiple charging options: AC output plus 4 USB ports for simultaneous device charging.
  • Wide compatibility: Ideal for LED lights, laptops, phone chargers, mini-fridges, and camping equipment.
  • Portable & easy to install: Lightweight design with clear LED indicators and simple connections.
  • Built for safety: Built-in protections for overload, short circuit, over-temperature and low/high input voltage.

Why Choose Congsin?

Guangzhou Congsin Electronic Technology Co., Ltd. has over 27 years of focused experience designing and manufacturing DC→AC power inverters, portable power stations and solar charge controllers. Our ISO9001 quality system and international approvals (CE, EMC, LVD, ETL, FCC, RoHS, E-MARK) demonstrate professional engineering, reliability and regulatory compliance—key signals of trust for buyers and partners worldwide.

Practical Use Cases

  • Road trips and RV life: Power small appliances and keep multiple devices charged at once.
  • Worksites and patrols: Reliable energy for tools, radios and mobile devices away from mains power.
  • Emergency backup: Quick power for lights, communication devices and essential gear during outages.

Support & Customization

Congsin supports OEM/ODM, private labeling and global distribution. Our fully automated production lines and in-house testing ensure consistent performance and product safety. Purchase with confidence knowing you’re backed by decades of product expertise and ongoing technical support.

For a compact, dependable and budget-friendly solution to power small AC loads and multiple USB devices on the go, choose the Congsin modified sine wave inverter with 4 USB ports—engineered for convenience, safety and everyday reliability.

Detailed display

  • 500W modified sine wave inverter with US Sockets (6)_结果
  • 500W modified sine wave inverter with US Sockets (8)_结果
  • 500W modified sine wave inverter with US Sockets (4)_结果

Our Certifications

  • FC Certifcate Number - TST20220503108-45C

    FC Certifcate Number - TST20220503108-45C

  • SGS Certificate

    SGS Certificate

  • CE Certifcate Nomber -  TS120220503108.2FC

    CE Certifcate Nomber - TS120220503108.2FC

Frequently Asked Questions

Can this inverter run a refrigerator or power tools?

Recommended load ≤80% of rated power. For inductive loads, use a pure sine wave model.

How does the UPS function of this inverter work?

When the external power supply is normal, the inverter powers the device while charging the battery; when the external power supply is interrupted, it automatically switches to battery power to ensure uninterrupted operation of the device.

Is it a pure sine wave or a modified sine wave? What's the difference?

This is a modified sine wave inverter, suitable for most conventional home appliances and electronic devices; pure sine wave is suitable for precision devices with extremely high power requirements. This modified sine wave is more cost-effective at 2000W, meeting the needs of most scenarios.

What is the reason for the inverter automatically shutting down during operation?

It is likely that the protection mechanism is triggered: 1. Load overload (total power of connected devices exceeds 1000W); 2. Abnormal input voltage (battery voltage <10.8V or >14.5V); 3. Device overtemperature (excessively high ambient temperature or cooling fan failure). It is recommended to disconnect some loads, check the battery voltage or clean the heat dissipation port before trying again.

About other questions pls contact me directily.

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Guangzhou Congsin Electronic Technology Co., Ltd.
5 Floor, B1 Building Longshan Industry Park, Yinglong Road Longdong Tianhe District, Guangzhou, Guangdong, China.
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Tags
1000W Modified Sine Wave Inverter
1000W Modified Sine Wave Inverter
500W modified sine wave inverter 12V to 120V
500W modified sine wave inverter 12V to 120V
modified sine wave inverter for RV
modified sine wave inverter for RV
solar power inverter
solar power inverter
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